package cn.edu.zafu.bigdata.lhff;

class Vehicle {
    public void move() {
        System.out.println("Vehicle is moving");
    }
}

class Car extends Vehicle {
    public void move() {
        System.out.println("Car is moving");
    }
}

class Bicycle extends Vehicle {
    public void move() {
        System.out.println("Bicycle is moving");
    }
}

public class VehicleTest {
    public static void main(String[] args) {
        Vehicle[] vehicles = new Vehicle[2];
        vehicles[0] = new Car();
        vehicles[1] = new Bicycle();

        for (Vehicle vehicle : vehicles) {
            vehicle.move();
        }
    }
}